Inventor · disambiguated record
Defeng Bi
Also filed as: BI DEFENG
3 granted patents·11 citations·filing 2016–2017
56Inventor score
Files withSHANGHAI TIANMA AM-OLED CO LTD3
Top patents by PatentIndex Score
3 records- 0185US9853241B2Organic light-emitting display apparatus and fabrication method thereofSHANGHAI TIANMA AM-OLED CO LTD·Filed 2016·Granted Dec 26, 2017·11 cites·12 claims
- 0233US10759802B2Compound, preparation method thereof and organic light emitting display deviceSHANGHAI TIANMA AM OLED CO LTD·Filed 2017·Granted Sep 1, 2020·0 cites·12 claims
- 0333US9991448B2Compound, luminescent material and organic light emitting device using sameSHANGHAI TIANMA AM OLED CO LTD·Filed 2016·Granted Jun 5, 2018·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →